Fluoroaliphaticsulfonyl substituted ethylenes
AssigneeMinnesota Mining and Manufacturing Company
InventorRobert J. Koshar
Life of this patent
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Abstract
Fluoroaliphaticsulfonyl substituted ethylenes, useful as catalysts in polymerization of monomers, e.g., epoxide, vinyl ether, and N-vinyl monomers, are prepared by condensation of precursor fluoroaliphaticsulfonyl methanes with aldehydes or N-formyl compounds.
Claims8
A fluoroaliphaticsulfonyl ethylene compound especially suited as a catalyst in epoxide, vinyl ether, and N-vinyl monomer polymerization and having the formula
- wherein R.sub.f is a monovalent saturated fluoroaliphatic radical;
- X is a monovalent, non-ionic, electron withdrawing radical at least as electron withdrawing as a benzoyl radical;
- Z is amino, dialkylamino,
A fluoroaliphaticsulfonyl ethylene compound especially suited as a catalyst in epoxide, vinyl ether, and N-vinyl monomer polymerization and having the formula ##STR15## wherein R.sub.f is a monovalent saturated fluoroaliphatic radical;
- X is a monovalent, non-ionic, electron withdrawing radical at least as electron withdrawing as a benzoyl radical, and Z is amino, dialkylamino, or alkylamino.
Dependencies are inferred from the claim text.